Gaya APA

Oldfield, K, W. et al (2005). Emergency Responder Training Manual for the Hazardous Materials Technician (Kedua). Canada: Wiley Interscince.

Gaya MLA

Oldfield, Kenneth, W. et al. "Emergency Responder Training Manual for the Hazardous Materials Technician". Kedua Canada: Wiley Interscince, 2005. Text.